diff --git a/rk3588/BoardConfig-LubanCat-serise-ubuntu.mk b/rk3588/BoardConfig-LubanCat-serise-ubuntu.mk
index b7978a6..58766d2 100644
--- a/rk3588/BoardConfig-LubanCat-serise-ubuntu.mk
+++ b/rk3588/BoardConfig-LubanCat-serise-ubuntu.mk
@@ -54,6 +54,9 @@ export RK_MISC=
 export RK_DISTRO_MODULE=
 # Define pre-build script for this board
 export RK_BOARD_PRE_BUILD_SCRIPT=app-build.sh
+
+# SOC
+export RK_SOC=rk3588
 # 定义默认rootfs为ubuntu
 export RK_ROOTFS_SYSTEM=ubuntu
 # 默认Ubuntu 版本